EP1710591A4 - Magnetic bridge electric power sensor - Google Patents

Magnetic bridge electric power sensor

Info

Publication number
EP1710591A4
EP1710591A4 EP04788329A EP04788329A EP1710591A4 EP 1710591 A4 EP1710591 A4 EP 1710591A4 EP 04788329 A EP04788329 A EP 04788329A EP 04788329 A EP04788329 A EP 04788329A EP 1710591 A4 EP1710591 A4 EP 1710591A4
Authority
EP
European Patent Office
Prior art keywords
electric power
power sensor
magnetic bridge
bridge electric
magnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04788329A
Other languages
German (de)
French (fr)
Other versions
EP1710591A1 (en
Inventor
T Tadatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Loyal Port Co Ltd
Original Assignee
Loyal Port Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Loyal Port Co Ltd filed Critical Loyal Port Co Ltd
Publication of EP1710591A1 publication Critical patent/EP1710591A1/en
Publication of EP1710591A4 publication Critical patent/EP1710591A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/08—Arrangements for measuring electric power or power factor by using galvanomagnetic-effect devices, e.g. Hall-effect devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement Of Current Or Voltage (AREA)
EP04788329A 2003-09-30 2004-09-29 Magnetic bridge electric power sensor Withdrawn EP1710591A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003340559A JP4579523B2 (en) 2003-09-30 2003-09-30 Magnetic bridge type power sensor
PCT/JP2004/014263 WO2005040837A1 (en) 2003-09-30 2004-09-29 Magnetic bridge electric power sensor

Publications (2)

Publication Number Publication Date
EP1710591A1 EP1710591A1 (en) 2006-10-11
EP1710591A4 true EP1710591A4 (en) 2010-07-28

Family

ID=34509673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04788329A Withdrawn EP1710591A4 (en) 2003-09-30 2004-09-29 Magnetic bridge electric power sensor

Country Status (6)

Country Link
US (1) US7511471B2 (en)
EP (1) EP1710591A4 (en)
JP (1) JP4579523B2 (en)
KR (1) KR20060089729A (en)
CN (1) CN100460878C (en)
WO (1) WO2005040837A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006053935A1 (en) * 2006-11-15 2008-05-29 Siemens Ag Arrangement and method for determining load currents in a vehicle
JP2010078401A (en) * 2008-09-25 2010-04-08 Koichi Egashira Non-contact magnetic modulation type signal amplifier
KR20110084908A (en) * 2008-10-10 2011-07-26 유겐가이샤 와이와이 오피스 Magnetic bridge for sensor using magnetic fluid, and current sensor and magnetic sensor using the magnetic bridge
US8193818B2 (en) * 2009-01-15 2012-06-05 Hamilton Sundstrand Corporation Partial corona discharge detection
GB2481778B (en) 2009-04-16 2014-02-05 Panoramic Power Ltd Apparatus and methods thereof for power consumption measurement at circuit breaker points
US9678114B2 (en) 2009-04-16 2017-06-13 Panoramic Power Ltd. Apparatus and methods thereof for error correction in split core current transformers
US9134348B2 (en) 2009-04-16 2015-09-15 Panoramic Power Ltd. Distributed electricity metering system
WO2012098665A1 (en) 2011-01-20 2012-07-26 富士通株式会社 Power strip and electrical power measurement system
GB201105400D0 (en) * 2011-03-30 2011-05-11 Power Electronic Measurements Ltd Apparatus for current measurement
FR2979790B1 (en) * 2011-09-07 2013-10-11 Commissariat Energie Atomique CURRENT SENSOR
JP5979413B2 (en) 2012-03-27 2016-08-24 公立大学法人大阪市立大学 Power measuring device
DE102012021364A1 (en) * 2012-11-02 2014-05-08 SIEVA d.o.o. - poslovna enota Idrija Apparatus for the isolated measurement of electricity and method for the isolated determination of electricity
US9891252B2 (en) 2015-07-28 2018-02-13 Panoramic Power Ltd. Thermal management of self-powered power sensors
US10024885B2 (en) 2015-07-28 2018-07-17 Panoramic Power Ltd. Thermal management of self-powered power sensors
US11221354B2 (en) * 2016-07-01 2022-01-11 Intel Corporation Switched closed loop read-out methods and systems for resonant sensing platforms
CN106199200A (en) * 2016-07-19 2016-12-07 重庆恩信科技有限公司 Accumulator internal resistance on-line monitoring system and method
CN111722007B (en) * 2019-03-22 2024-05-14 中国电力科学研究院有限公司 Method and device for determining active bridge complex power of multiport isolation type direct current converter

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB611027A (en) * 1944-10-31 1948-10-25 Smith & Sons Ltd S Improvements in electromagnetic apparatus of the flux-gate type
US3007106A (en) * 1958-07-25 1961-10-31 Hewlett Packard Co Current meter and probe therefor
US3490042A (en) * 1966-12-19 1970-01-13 Gen Electric Direct current measuring reactance arrangement
EP0132745A2 (en) * 1983-07-20 1985-02-13 VEB Transformatoren- und Röntgenwerk "Hermann Matern" Device for measuring direct currents
US4504787A (en) * 1982-04-05 1985-03-12 Honeywell Inc. Electronic watthour meter
US4525668A (en) * 1980-12-24 1985-06-25 Lgz Landis & Gyr Zug Ag System for measuring electrical output or energy
EP0579462A2 (en) * 1992-07-10 1994-01-19 Sumitomo Special Metal Co., Ltd. DC current sensor
US5767667A (en) * 1995-03-03 1998-06-16 Bell Technologies, Inc. Magnetic core non-contact clamp-on current sensor
WO2003107017A1 (en) * 2002-06-01 2003-12-24 株式会社エルポート Magnetic bridge type current sensor, magnetic bridge type current detecting method, and magnetic bridge for use in that sensor and detecting method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85104789A (en) * 1985-06-21 1986-12-24 皮尔金顿兄弟有限公司 Be used for the sensing lead consumable system that powers on
JPH01162165A (en) 1987-12-18 1989-06-26 Sumitomo Electric Ind Ltd Power sensor
JP3011559B2 (en) * 1992-12-11 2000-02-21 株式会社東芝 Power multiplication circuit
JP3460375B2 (en) * 1995-05-08 2003-10-27 株式会社島津製作所 Watt meter
CN2304127Y (en) * 1997-06-13 1999-01-13 常世昌 Contactless power-factor meter
JPH11108971A (en) 1997-09-30 1999-04-23 Hitachi Cable Ltd Wattmeter
JP3361480B2 (en) 1999-05-24 2003-01-07 大崎電気工業株式会社 Watt hour meter using Hall element
JP3462133B2 (en) 1999-12-03 2003-11-05 大崎電気工業株式会社 Electricity meter using Hall element

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB611027A (en) * 1944-10-31 1948-10-25 Smith & Sons Ltd S Improvements in electromagnetic apparatus of the flux-gate type
US3007106A (en) * 1958-07-25 1961-10-31 Hewlett Packard Co Current meter and probe therefor
US3490042A (en) * 1966-12-19 1970-01-13 Gen Electric Direct current measuring reactance arrangement
US4525668A (en) * 1980-12-24 1985-06-25 Lgz Landis & Gyr Zug Ag System for measuring electrical output or energy
US4504787A (en) * 1982-04-05 1985-03-12 Honeywell Inc. Electronic watthour meter
EP0132745A2 (en) * 1983-07-20 1985-02-13 VEB Transformatoren- und Röntgenwerk "Hermann Matern" Device for measuring direct currents
EP0579462A2 (en) * 1992-07-10 1994-01-19 Sumitomo Special Metal Co., Ltd. DC current sensor
US5767667A (en) * 1995-03-03 1998-06-16 Bell Technologies, Inc. Magnetic core non-contact clamp-on current sensor
WO2003107017A1 (en) * 2002-06-01 2003-12-24 株式会社エルポート Magnetic bridge type current sensor, magnetic bridge type current detecting method, and magnetic bridge for use in that sensor and detecting method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005040837A1 *

Also Published As

Publication number Publication date
EP1710591A1 (en) 2006-10-11
WO2005040837A1 (en) 2005-05-06
KR20060089729A (en) 2006-08-09
US7511471B2 (en) 2009-03-31
CN1922498A (en) 2007-02-28
US20070024269A1 (en) 2007-02-01
JP4579523B2 (en) 2010-11-10
JP2005106632A (en) 2005-04-21
CN100460878C (en) 2009-02-11

Similar Documents

Publication Publication Date Title
EP1676094A4 (en) Eddy current sensor
GB0328049D0 (en) Eddy current sensor
AU2002357807A8 (en) Electric field sensor
AU2003215132A8 (en) Magnetic field sensor
GB0329959D0 (en) Magnetic field sensor
EP1528402A4 (en) Magnetic sensor
AU154040S (en) Electric toothbrush
EP1743156A4 (en) Magnetic sensor
SG133617A1 (en) General electric company
EP1710591A4 (en) Magnetic bridge electric power sensor
GB2399467B (en) An electrical connection sensor
EP1584414A4 (en) Electric tweezers
GB2390694B (en) Current sensor
EP1548766A4 (en) Magnetic element
EP1666906A4 (en) Magnetic sensor
EP1639914A4 (en) Electric toothbrush
AU2003211223A8 (en) Magnetic sensor
GB0330239D0 (en) Electrical power meter
EP1627707A4 (en) Electric tweezers
EP1636119A4 (en) Magnetic centerguide
GB0418777D0 (en) An electric kettle
GB2394063B (en) Magnetic sensor arrangement
GB2374942B (en) Electrical power sensing
GB2391556B (en) Electric iron
GB0325399D0 (en) An improved electric boiler

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20060428

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): CH DE FR GB LI

DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): CH DE FR GB LI

A4 Supplementary search report drawn up and despatched

Effective date: 20100629

17Q First examination report despatched

Effective date: 20100826

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20110531